package com.itheima.restkeeper.face;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.restkeeper.AffixFace;
import com.itheima.restkeeper.BrandFace;
import com.itheima.restkeeper.enums.BrandEnum;
import com.itheima.restkeeper.exception.ProjectException;
import com.itheima.restkeeper.pojo.Brand;
import com.itheima.restkeeper.req.AffixVo;
import com.itheima.restkeeper.req.BrandVo;
import com.itheima.restkeeper.service.IBrandService;
import com.itheima.restkeeper.utils.BeanConv;
import com.itheima.restkeeper.utils.EmptyUtil;
import com.itheima.restkeeper.utils.ExceptionsUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.dubbo.config.annotation.DubboReference;
import org.apache.dubbo.config.annotation.DubboService;
import org.apache.dubbo.config.annotation.Method;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;
import java.util.stream.Collectors;

/**
 * @ClassName BrandFaceImpl.java
 * @Description 品牌dubbo接口定义实现
 */
@DubboService(version = "${dubbo.application.version}", timeout = 5000,
        methods = {
                @Method(name = "findBrandVoPage", retries = 2),
                @Method(name = "createBrand", retries = 0),
                @Method(name = "updateBrand", retries = 0),
                @Method(name = "deleteBrand", retries = 0)
        })
@Slf4j
public class BrandFaceImpl implements BrandFace {

    @Autowired
    IBrandService brandService;

    @DubboReference(version = "${dubbo.application.version}", check = false)
    AffixFace affixFace;

    @Override
    public Page<BrandVo> findBrandVoPage(BrandVo brandVo,
                                         int pageNum,
                                         int pageSize) throws ProjectException {

        try {
            //查询Page<Brand>分页
            Page<Brand> page = brandService.findBrandVoPage(brandVo, pageNum, pageSize);
            //转化Page<Brand>为Page<BrandVo>
            Page<BrandVo> pageVo = new Page<>();
            BeanConv.toBean(page, pageVo);
            //转换List<Brand>为 List<BrandVo>
            List<Brand> records = page.getRecords();
            List<BrandVo> brandVoList = BeanConv.toBeanList(records, BrandVo.class);
            //处理附件  判断复制的分页或者list集合是否为空
            if (!EmptyUtil.isNullOrEmpty(pageVo) && !EmptyUtil.isNullOrEmpty(brandVoList)) {
                brandVoList.forEach(n -> {
                    List<AffixVo> affixVoList = affixFace.findAffixVoByBusinessId(n.getId());
                    if (!EmptyUtil.isNullOrEmpty(affixVoList)) {
                        n.setAffixVo(affixVoList.get(0));
                    }
                });
            }
            //指定带有附件消息的brandVoList到pageVo中
            pageVo.setRecords(brandVoList);
            //返回结果给
            return pageVo;
        } catch (Exception e) {
            log.error("查询品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.PAGE_FAIL);
        }
    }

    @Override
    public BrandVo createBrand(BrandVo brandVo) throws ProjectException {
        try {
            //保存品牌
            BrandVo brandVoResult = BeanConv.toBean(brandService.createBrand(brandVo), BrandVo.class);
            //绑定附件
            if (!EmptyUtil.isNullOrEmpty(brandVoResult)) {
                affixFace.bindBusinessId(AffixVo.builder()
                        .businessId(brandVoResult.getId())
                        .id(brandVo.getAffixVo().getId())
                        .build());
            }
            brandVoResult.setAffixVo(
                    AffixVo.builder()
                            .pathUrl(brandVo.getAffixVo().getPathUrl())
                            .businessId(brandVoResult.getId())
                            .id(brandVo.getAffixVo().getId())
                            .build()
            );

            //返回结果
            return brandVoResult;
        } catch (Exception e) {
            log.error("保存品牌异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.CREATE_FAIL);
        }
    }

    @Override
    public Boolean updateBrand(BrandVo brandVo) throws ProjectException {
        //修改品牌
        try {
            Boolean flag = brandService.updateBrand(brandVo);
            if (flag) {
                //查询品牌附件消息
                List<AffixVo> affixVoList = affixFace.findAffixVoByBusinessId(brandVo.getId());
                List<Long> affixIds = affixVoList.stream().map(AffixVo::getId).collect(Collectors.toList());
                //contains 是包含的意思
                if (!affixIds.contains(brandVo.getAffixVo().getId())) {
                    //删除图片
                    flag = affixFace.deleteAffixVoByBusinessId(brandVo.getId());
                    //绑定新的图片
                    affixFace.bindBusinessId(
                            AffixVo.builder()
                                    .businessId(brandVo.getId())
                                    .id(brandVo.getAffixVo().getId())
                                    .build());
                }
            }
            return flag;
        } catch (Exception e) {
            log.error("修改品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.UPDATE_FAIL);
        }

    }

    @Override
    public Boolean deleteBrand(String[] checkedIds) throws ProjectException {
        try {
            //删除品牌
            Boolean flag = brandService.deleteBrand(checkedIds);
            //删除图片
            for (String checkedId : checkedIds) {
                affixFace.deleteAffixVoByBusinessId(Long.valueOf(checkedId));
            }
            return flag;
        } catch (Exception e) {
            log.error("删除品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.DELETE_FAIL);
        }
    }

    @Override
    public BrandVo findBrandByBrandId(Long brandId) throws ProjectException {
        try {
            //查找品牌消息  MP的操作
            Brand brand = brandService.getById(brandId);
            //把Brand变成BrandVo
            BrandVo brandVo = BeanConv.toBean(brand, BrandVo.class);
            return brandVo;
        } catch (Exception e) {
            log.error("查找品牌所有品牌异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.SELECT_BRAND_FAIL);
        }
    }

    @Override
    public List<BrandVo> findBrandVoList() throws ProjectException {
        try {
            //查找品牌列表，用到哪里？要不要注意状态？
            List<BrandVo> brandVoList = BeanConv.toBeanList(brandService.findBrandVoList(), BrandVo.class);
            return brandVoList;
        } catch (Exception e) {
            log.error("查询品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.PAGE_FAIL);
        }
    }
}
